CN110816740A

CN110816740A - Brake handle capable of preventing brake cable from falling off

Info

Publication number: CN110816740A
Application number: CN201910066662.1A
Authority: CN
Inventors: 王翊槐; 程瑶
Original assignee: LANXI JIEKE SPORTS APPARATUS MANUFACTURING Co Ltd
Current assignee: LANXI JIEKE SPORTS APPARATUS MANUFACTURING Co Ltd
Priority date: 2018-08-13
Filing date: 2019-01-24
Publication date: 2020-02-21
Anticipated expiration: 2039-01-24
Also published as: TWM578672U; TWI712539B; CN110816740B; TW202009167A; TWM578675U

Abstract

A brake handle for preventing brake cable from falling off comprises a fixed seat and a brake handle, wherein the fixed seat comprises an upper seat body and a lower seat body, one end of the upper seat body is provided with two lugs, the other end of the upper seat body is provided with an upper semi-arc groove which is opened towards the opposite direction, a containing groove which extends to the upper semi-arc groove and is opened is arranged in the upper seat body and can be used for containing a fixing head of a brake cable, the lower seat body is detachably combined with the upper seat body, the lower semi-arc groove is provided with a lower semi-arc groove which can be matched with the upper semi-arc groove to be clamped on a bicycle handle, and the brake handle is combined on the two lugs in a swinging way by utilizing a shaft bolt; therefore, the opening of the containing groove can be blocked by the bicycle handle to prevent the brake cable from falling off easily, and the bicycle handle can be suitable for mounting brake cables of various specifications.

Description

Brake handle capable of preventing brake cable from falling off

Technical Field

The invention relates to the technical field of the structure of a bicycle brake handle, in particular to a brake handle capable of preventing a brake cable from falling off easily and being suitable for mounting brake cables of various specifications.

Background

A known brake handle for bicycle is disclosed in the patent No. 097200472 of Taiwan application, and is characterized in that a positioning flange is protruded downwards from the head end of a brake handle, the lower end of the positioning flange is pivoted on an upper fixing seat by a bolt and a nut, the upper end of the positioning flange is provided with a holding hole with an opening towards one side surface for holding a fixing head of a brake cable, and the holding hole is provided with a wire groove which extends to the side surface and is in an open shape for facilitating the coming in and going out of a lead of the brake cable. Because the containing hole and the opening of the wire groove are all open and not covered, the fixing head and the lead of the brake cable are easy to be separated from the containing hole and the wire groove, and thus the danger is easy to occur. Particularly, when brake cables with different specifications (such as brake cables with spherical fixing heads) are installed on the fixing device, the spherical fixing heads are more easily detached due to the fact that the volume of the spherical fixing heads is smaller than that of the accommodating holes, so that the fixing device is not suitable for installing other brake cables with different specifications. In addition, the known bicycle brake handle is clamped and fixed on the bicycle handle by utilizing the arc-shaped groove which is opened towards one side at the bottom end of the upper fixing seat and is matched with the arc-shaped groove at one side of the lower fixing seat, so that the whole structure and the front surface and the back surface of the known bicycle brake handle are in an asymmetric state, the known bicycle brake handle is only suitable for one side arranged on the bicycle handle, when the known bicycle brake handle is arranged at the other side of the bicycle handle, the bicycle brake handle with the opposite structure and the opposite shape is required to be designed by opening a die, and therefore, the manufacturing cost is increased, and a user also needs to prepare two spare parts of a left specification and a right specification for maintenance and replacement at ordinary times, so that the carrying is inconvenient.

Accordingly, the present inventors have made extensive and intensive studies, improvements, and experiments to solve the above problems, and as a result, have developed and designed the present invention.

Disclosure of Invention

The invention mainly aims to solve the problems that the brake cable of the known bicycle brake handle is easy to fall off to cause danger, the bicycle brake handle cannot be suitable for mounting brake cables of various specifications and the like.

The invention discloses a brake handle capable of preventing a brake cable from falling off, which comprises a fixed seat, a brake grip, a spring and an adjusting knob. The fixing seat comprises an upper seat body and a lower seat body, wherein one end of the upper seat body is provided with two parallel lug plates, the other end of the upper seat body is provided with an upper semicircular arc groove which is opened in the direction opposite to the two lug plates, the inner part of the upper seat body is provided with a containing groove which extends to the upper semicircular arc groove and is in an opening shape and can be used for containing a fixing head of a brake cable, one side of the containing groove is provided with a groove which extends to the side surface of the upper seat body and is in an opening shape so as to facilitate the passing in and out of a lead of the brake cable, the lower seat body is combined with the upper seat body by utilizing a plurality of combining bolts, and the lower semicircular arc groove is provided and can be matched with the upper semicircular arc groove to be clamped on a bicycle handle. The brake handle comprises a handle part and a driving part extending downwards from the head end of the handle part, one end of the driving part close to the handle part is combined between the two lug pieces in a swinging mode through a shaft bolt, and one end far away from the handle part is provided with a screw hole penetrating through the two opposite sides for the lead to penetrate through. The spring is arranged between the driving part and the upper seat body and can provide the elastic force for resetting the brake grip. The adjusting knob is screwed in the screw hole of the driving part, and the end part of a guide pipe of the brake cable is embedded and the lead is penetrated and arranged for adjusting the tension of the brake cable.

As a further improvement of the invention, the containing groove is positioned in the center of the upper seat body, and the plurality of combining bolts are symmetrically arranged.

As a further improvement of the invention, one end of the driving part of the brake grip, which is close to the handle part, is provided with a shaft hole for the shaft bolt to pass through.

As a further improvement of the invention, one end of the driving part of the brake handle close to the handle part is provided with a spring groove for accommodating the spring, the spring is used for the shaft bolt to pass through, and one end of the spring is propped against the driving part, and the other end of the spring is propped against the upper seat body.

As a further improvement of the present invention, the adjusting knob includes an adjusting bolt and a positioning nut, one end of the adjusting bolt has a stud for being screwed into the screw hole, and the adjusting bolt has a through hole penetrating through both ends for the wire to pass through, the other end of the through hole has an insertion groove with a larger inner diameter for the end of the guide tube of the brake cable to be inserted, and the positioning nut is screwed on the stud for positioning the adjusting bolt at a required length of the screw lock.

As a further improvement of the invention, one side of the screw hole of the driving part is provided with a cutting groove which extends to the side surface and is open so as to facilitate the entering and exiting of the lead, one side of the through hole of the adjusting bolt is provided with a bolt wire groove which extends to the periphery and is open so as to facilitate the entering and exiting of the lead, and one side of the positioning nut is provided with a nut wire groove which penetrates through the inside and is used for facilitating the entering and exiting of the lead.

As a further improvement of the invention, the tail end of the handle part of the brake handle forms a curved section which is bent upwards and is used for preventing the hands of the user from sliding out.

Compared with the prior art, the invention has the beneficial effects that:

the brake handle capable of preventing the brake cable from falling off provided by the invention can ensure that the opening of the accommodating groove can be blocked by the bicycle handle when the brake handle is arranged on the bicycle handle through the design that the opening of the accommodating groove faces the upper semicircular arc groove, so that the brake handle cannot be easily separated after the fixing head of the brake cable is embedded into the accommodating groove. In contrast, brake cables of various specifications (such as brake cables with small-volume spherical fixing heads) can not be separated from the accommodating groove, so that the brake cable fixing device is suitable for mounting brake cables of various specifications.

Drawings

FIG. 1 is an exploded perspective view of the present invention;

FIG. 2 is an enlarged perspective view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic diagram of the operation of the present invention;

FIG. 5 is a schematic view showing a state in which the present invention is applicable to be installed on both left and right sides of a bicycle handlebar.

Description of the symbols:

10 fixed seat 11 upper seat body

12 lower base body 13 combined bolt

14 ear panel 140 tab

15 upper semicircular groove 16 containing groove

17 lower semi-circular arc groove of groove 18

20 brake handle 21 handle

22 drive part 23 arc segment

24 axle hole 25 spring groove

26 screw hole 27 grooving

30 shaft bolt

40 spring

50 adjusting knob 51 adjusting bolt

52 positioning nut 53 stud

54 through hole 55 caulking groove

56 bolt wire casing 57 nut wire casing

60 brake cable 61 fixing head

62 guide wire 63 catheter

70 bicycle handle

A nip

Detailed Description

As shown in fig. 1 to 4, the brake handle for preventing the brake cable from falling off according to the present invention includes a fixing base 10, a brake handle 20, a shaft bolt 30, a spring 40 and an adjusting knob 50. Wherein:

the fixing base 10 includes an upper base 11, a lower base 12 and a plurality of connecting bolts 13. The upper end of the upper seat 11 has two lugs 14 arranged in parallel at intervals, the lower end has an upper semicircular arc groove 15 opened in the direction opposite to the two lugs 14, one side of the two lugs 14 is respectively provided with two fins 140 in a protruding manner, the lower side of the interior of the upper seat 11 is provided with an accommodating groove 16 opened in the center extending to the upper semicircular arc groove 15, the accommodating groove 16 can accommodate a fixing head 61 of a brake cable 60, one side of the accommodating groove 16 is provided with a groove 17 extended to the side of the upper seat 11 and opened in order to facilitate the passing of a lead 62 of the brake cable 60. The lower seat 12 has a lower semi-circular arc groove 18 for engaging with the upper semi-circular arc groove 15 to clamp on a bicycle handlebar 70. The plurality of connecting bolts 13 are symmetrically disposed and are used for screw-locking the lower seat 12 and the upper seat 11.

The brake handle 20 includes a handle portion 21 and a driving portion 22 extending downward from a head end of the handle portion 21. The rear end of the handle 21 is formed with an upwardly curved arc 23 for preventing the user's hand from slipping out. The driving portion 22 is disposed between the two tabs 14, and has an axial hole 24 and a spring slot 25 at an end close to the handle portion 21, a screw hole 26 penetrating through two opposite sides is disposed at an end far from the handle portion 21, and a groove 27 extending to the side for opening is disposed at one side of the screw hole 26 for the wire 62 to pass in and out.

The shaft bolt 30 is combined with the two lugs 14 and the shaft hole 24 of the brake handle 20, so that the brake handle 20 can swing around the shaft bolt 30.

The spring 40 is disposed in the spring slot 25 and is used for the shaft bolt 30 to pass through, one end of the spring abuts against the brake handle 20, and the other end of the spring abuts against the fixing base 10, so as to provide an elastic force for the brake handle 20 to return after being pressed.

The adjusting knob 50 includes an adjusting bolt 51 and a positioning nut 52, wherein one end of the adjusting bolt 51 has a stud 53 for being screwed into the screw hole 26, and the adjusting bolt 51 has a through hole 54 penetrating through both ends for the wire 62 to pass through, and the other end of the through hole 54 has an insertion groove 55 with a larger inner diameter for the insertion of the end of a conduit 63 of the brake cable 60. One side of the through hole 54 has a bolt slot 56 extending to the periphery for easy access of the wire 62. The positioning nut 52 is screwed on the stud 53 for positioning the adjusting bolt 51 at a desired screwing length. The positioning nut 52 has a nut slot 57 on one side through to the inside for the wire 62 to enter and exit.

As shown in fig. 1, 2 and 3, after the fixing head 61 of the brake cable 60 is inserted into the receiving slot 16, the wire 62 can easily enter the screw hole 26 and the through hole 54 through the design of the slot 17, the groove 27, the nut groove 57 and the bolt groove 56, so that one end of the conduit 63 can be easily inserted into the insertion slot 55, and at this time, the adjusting bolt 51 and the positioning nut 52 are rotated to make the bolt groove 56, the nut groove 57 and the groove 27 form a staggered state, so that the wire 62 can be prevented from being detached; on the contrary, the wire 62 can be easily detached by rotating the adjusting bolt 51 and the positioning nut 52 to align the bolt slot 56 and the nut slot 57 with the groove 27. Therefore, the brake cable 60 is convenient, fast and simple to assemble and disassemble. In particular, the opening of the receiving slot 16 is blocked by the bicycle handlebar 70, so that the fixing head 61 of the brake cable 60 is not easily separated after being inserted into the receiving slot 16. On the other hand, brake cables 60 of various specifications (such as brake cables with spherical fixing heads with small volume) can not be separated from the accommodating groove 16, so that the brake cables 60 of various specifications can be installed.

As shown in fig. 3 and 4, when the user presses the handle portion 21 of the brake handle 20, the brake handle 20 swings around the axle pin 30 to make the handle portion 21 approach the bicycle handlebar 70, a clamping opening a is formed between the driving portion 22 and the upper seat 11 of the fixing seat 10, and then the driving portion 22 pushes the guide tube 63 through the adjusting knob 50, and since the fixing head 61 at one end of the wire 62 is fixed in the receiving groove 16 of the upper seat 11, the brake (not shown) is activated to generate a braking effect when the guide tube 63 is pushed by the driving portion 22. When the user releases the handle 21 of the brake handle 20, the spring 40 will reset the brake handle 20, and the brake will not generate braking effect.

As shown in fig. 1, 2 and 5, in the brake lever for preventing a brake cable from falling off according to the present invention, the upper seat 11 and the lower seat 12 of the fixing seat 10 are clamped and fixed on the bicycle handle 70 through the upper half arc groove 15 and the lower half arc groove 18, so that the front and the back of the overall structure and the shape of the fixing seat 10 are symmetrical (i.e. have the same shape after being turned over), and the accommodating groove 16 of the fixing head 61 of the fixing seat 10 for accommodating the brake cable 60 is also disposed at the center of the upper half arc groove 15, so that the brake lever for preventing a brake cable from falling off of a single specification of the present invention can be universally mounted on the left side or the right side of the bicycle handle 70 without separately opening the left and right specifications, thereby greatly reducing the manufacturing cost. Moreover, the opposite spare parts can be used for maintaining and replacing the brake handles on the left side or the right side of the bicycle handle 70 only by carrying one group, so that the spare parts are convenient to carry and do not occupy space.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a prevent brake handle that brake cable drops which characterized in that includes:

the fixing seat comprises an upper seat body and a lower seat body, wherein one end of the upper seat body is provided with two parallel lug plates, the other end of the upper seat body is provided with an upper semicircular arc groove which is opened in the direction opposite to the two lug plates, the inner part of the upper seat body is provided with a containing groove which extends to the upper semicircular arc groove and is opened and can be used for containing a fixing head of a brake cable, one side of the containing groove is provided with a groove which extends to the side surface of the upper seat body and is opened and convenient for a lead of the brake cable to enter and exit, the lower seat body is combined with the upper seat body by utilizing a plurality of combining bolts, and the lower semicircular arc groove is provided for being matched with the upper semicircular arc groove to be clamped on a bicycle handle;

the brake handle comprises a handle part and a driving part extending downwards from the head end of the handle part, one end of the driving part close to the handle part is combined between the two lug plates in a swinging way by utilizing a shaft bolt, and one end far away from the handle part is provided with a screw hole penetrating through the two opposite sides for the lead to penetrate through;

a spring, which is arranged between the driving part and the upper seat body and can provide the elastic force for resetting the brake grip; and

and the adjusting knob is screwed in the screw hole of the driving part, and is used for embedding the end part of a guide pipe of the brake cable and for the lead to penetrate through so as to adjust the tension of the brake cable.

2. The brake handle of claim 1, wherein the receiving groove is located at the center of the upper seat, and the plurality of fastening bolts are symmetrically disposed.

3. The brake handle of claim 1, wherein the driving portion of the brake handle has a shaft hole at an end thereof adjacent to the handle portion for the shaft pin to pass through.

4. The brake handle of claim 1, wherein the end of the driving portion of the brake handle near the handle portion has a spring slot for receiving the spring, the spring is for the shaft bolt to pass through, and one end of the spring abuts against the driving portion and the other end abuts against the upper seat.

5. The brake handle of claim 1, wherein the adjusting knob comprises an adjusting bolt and a positioning nut, the adjusting bolt has a stud at one end for being screwed into the threaded hole, the adjusting bolt has a through hole through both ends for the wire to pass through, the through hole has a slot with a larger inner diameter at the other end for the end of the tube of the brake cable to be inserted into, and the positioning nut is screwed onto the stud for positioning the adjusting bolt at a desired length for the screw to be screwed.

6. The brake handle of claim 5, wherein the screw hole of the driving portion has a slot extending to the side for the wire to pass in and out, the adjusting bolt has a bolt slot extending to the periphery for the wire to pass in and out, and the positioning nut has a nut slot penetrating to the inside for the wire to pass in and out.

7. The brake cable drop-off prevention brake handle as claimed in claim 1, wherein the tail end of the handle part of the brake handle is formed with a curved section bent upward for preventing the user's hand from slipping out.